SumDims.sum_planned: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend as SumDims
Lines 135-139 of bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&start_line=135&end_line=139

import Base
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/autograd/reduce.bend as Reduce

# The sum of a planned input: reduce_to onto the kept shape, then, without
# keepdim, the reshape to the dropped dimensions. The input owner comes back.
def sum_planned(input: Core.Dynamic, plan: Plan, keepdim: Bool) -> Core.Dynamic & Result<&2, &1, Error, Core.Dynamic>:
  Plan{+kept, +dropped} = plan
  summed(dropped, keepdim, Reduce.reduce_to(input, kept))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/reduce.bend&name=reduce_to
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&name=Plan
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/autograd/sum_dims.bend&name=summed
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Dynamic